log10 40+ log10 20-1/2log10 64
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Answer:
Hope this helps you
Explanation:
log 40 10+log 20 10- 1/2 log 64 10
log a+log b= log a. b
log 40.20
= log 80
1/2 log 64 10
log 80-1/2 log 64 10
= 1
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